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Free Intermediate HTML & CSS Courses

Curated intermediate-level HTML & CSS courses from the best free platforms on the internet.

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Free intermediate HTML & CSS courses

Google for Developers

HTML & CSSIntermediate

Web Fundamentals (Google Developers)

Google's official guide to modern web development best practices. Covers responsive design, HTML/CSS fundamentals, web performance, accessibility, progressive web apps, CSS layout techniques (flexbox and grid), and visual design. Includes free, hands-on codelabs and runnable code examples. Written by Google engineers and updated regularly. Ideal as a reference while building projects, or as a structured learning path through web-development foundations.

4.620hDetails →

Google for Developers

HTML & CSSIntermediate

CSS Animations and Transitions (Google Developers)

Google's guide to building smooth, performant CSS animations and transitions. Covers keyframes, easing functions, transforms, the will-change property, timing models, GPU acceleration, and performance best practices. Includes live interactive examples and explainers written by Google engineers. Intermediate level: it assumes a solid CSS foundation, so learn selectors and the box model somewhere else first. Best used as a reference while you build your own animation-heavy project, not as a standalone course.

4.55hDetails →

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